Mercedes-Benz CLS C257 - 2021 chip tuning in Riga
Mercedes-Benz CLS C257 - 2021: ECU diagnostics, Stage 1 and individual engine software calibration.
We diagnose engine management issues and, where applicable, DPF, EGR and AdBlue/SCR on diesel variants. Emissions-related problems are assessed ahead of CSDD inspection.
Engines, ECUs and technical details
ECUs listed for catalogue variants: Bosch MG1CP002.
Engine codes found in the catalogue: M256.930, OM654.920, OM656.929.
Specifications vary by model year and vehicle variant.
Choose your specific version from the catalogue or contact Autochip in Riga.




